Trioxsalen is a furanocoumarin and a psoralen derivative, in conjunction with UV-A for phototherapy treatment of vitiligo and hand eczema.

Hecogenin is a steroid saponin isolated from Agave sisalana. It is a selective inhibitor of human UDP-glucuronosyltransferases. Hecogenin has a wide spectrum of pharmacological activities including anti-inflammatory antifungal and gastroprotective effects.

Gracillin can induce cell cycle arrest, oxidative stress, and apoptosis in HL60 cells, and has the potential to be developed as an antitumor agent.